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comparison lib/top.ur @ 412:df4cbd90a26e

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Infering sum rows
author Adam Chlipala <adamc@hcoop.net>
date Tue, 21 Oct 2008 19:31:11 -0400
parents 06fcddcd20d3
children ad7e854a518c
comparison
equal deleted inserted replaced
411:06fcddcd20d3 412:df4cbd90a26e
29 (f : nm :: Name -> rest :: {Unit} 29 (f : nm :: Name -> rest :: {Unit}
30 -> fn [[nm] ~ rest] => 30 -> fn [[nm] ~ rest] =>
31 tf -> tr rest -> tr ([nm] ++ rest)) 31 tf -> tr rest -> tr ([nm] ++ rest))
32 (i : tr []) = 32 (i : tr []) =
33 fold [fn r :: {Unit} => $(mapUT tf r) -> tr r] 33 fold [fn r :: {Unit} => $(mapUT tf r) -> tr r]
34 (fn (nm :: Name) (t :: Unit) (rest :: {Unit}) (acc : $(mapUT tf rest) -> tr rest) 34 (fn (nm :: Name) (t :: Unit) (rest :: {Unit}) acc
35 [[nm] ~ rest] (r : $([nm = tf] ++ mapUT tf rest)) => 35 [[nm] ~ rest] r =>
36 f [nm] [rest] r.nm (acc (r -- nm))) 36 f [nm] [rest] r.nm (acc (r -- nm)))
37 (fn _ => i) 37 (fn _ => i)
38 38
39 fun foldTR (tf :: Type -> Type) (tr :: {Type} -> Type) 39 fun foldTR (tf :: Type -> Type) (tr :: {Type} -> Type)
40 (f : nm :: Name -> t :: Type -> rest :: {Type} 40 (f : nm :: Name -> t :: Type -> rest :: {Type}